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Filtrete 20x25x4 Air Filter MPR 1550 DP MERV 12, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.88x24.63x4.31)

TLDR Review: "Filtrete 20x25x4 Air Filter MPR 1550"

Item: "Filtrete 20x25x4 Air Filter MPR 1550"
Author: ShopSavvy

By ShopSavvy Team

Published: March 16th, 2026

Pros

•High filtration efficiency with MERV 12 and MPR 1550 ratings, capturing dust, allergens, pet dander, smoke, and other microparticles effectively.
•Noticeable improvement in indoor air quality shortly after installation, with some users reporting reduced sneezing and allergy symptoms.
•Fits well in larger HVAC systems from brands like Lennox and Honeywell, with accurate sizing (20x25x4 inches) ensuring a snug, secure fit that prevents air bypass.
•Comes as a convenient ack, offering good value with a backup filter included.
•Longer lifespan compared to thinner onnch filters, typically lasting about a year under normal use.
•Works well as a primary main media filter, and can be used behind a thinner filter if needed.
•The deep pleat design and nch thickness contribute to both filtration performance and reduced AC unit noise compared to thinner filters.
•Reasonably priced for a higherade filter with delivery convenience, often hard to find locally in this size and quality.
•Installation is straightforward despite the filter’s larger size.
•Highly recommended for those wanting a strong, reliable filtration boost without overspending on premium options.

Cons

•The filter’s size and tight fit may require a tool, like a screwdriver, to remove it from the HVAC slot comfortably.
•Slightly higher cost than basic onnch filters, which might matter to budget-conscious buyers.
•The less common 20x25x4 size can be harder to find in physical stores, though this can be a pro if you prefer online shopping.
•Users must ensure correct sizing and thickness since using thinner or incorrect filters can cause air to bypass filtration or reduce system efficiency.
•Some might consider it somewhat expensive compared to generic brands despite the quality payoff.

Bottom Line

If you want a dependable air filter that significantly improves your home's air quality by capturing a broad range of allergens and particles, the Filtrete 20x25x4 MPR 1550 MERV 12 2-pack is a solid choice. Its higher filtration rating and deep pleat design make it ideal for larger HVAC systems, especially from Lennox and Honeywell. While it’s a bit pricier and might be tricky to handle due to its snug fit, the year-long lifespan and noticeable allergy relief make it worthwhile. If you need a similar high-performance filter but in a more common size or slightly lower cost, consider checking other MERV 12 options, but none match the combination of size, efficiency, and value this Filtrete offers.